Rheumatoid arthritis

Rheumatoid arthritis (RA) is a condition that causes inflammation in many joints of the body. Unlike osteoarthritis which is caused by wear an tear, RA is a chronic inflammatory disease where a faulty immune system attacks the tissue that lines and cushions the joints, leaving them swollen, painful and stiff.

Women are three times ore likely than men to get it, and it tends to affect people between the ages of 30 and 50.